Steven Kim Mitchell

US Patent:

20030195824, Oct 16, 2003

Filed:

Jun 6, 2003

Appl. No.:

10/456316

Inventors:

Christopher Duffy - Olathe KS, US
D. Holbrook - Kansas City MO, US
Andrew Johnson - Overland Park KS, US
Gopichand Kalahasthy - Shawnee KS, US
John Stradinger - Shawnee KS, US
Robert Tietz - Lenexa KS, US
Steven Mitchell - Parkville MO, US
Steven Richardson - Kansas City MO, US
James Ramsey - Columbus OH, US

International Classification:

G06F017/60

US Classification:

705/026000

Abstract:

A system and method for specification and exchange management includes a specification application, an exchange application, a source application, and an optional enterprise application. The specification application enables a user to create, modify, and retire specifications for items having standard terminology in a standard format. The exchange application enables a user to perform a transaction for generating a request for quote/request for proposal to designated suppliers for an item, receiving supply proposals in response to the requests, and forming a contract to supply of the items. The source application exchanges content between the specification application and the exchange application. The enterprise application communicates with user applications for users of the system and transmits content to and from the user and the specification application and the exchange application.

US Patent:

20030212610, Nov 13, 2003

Filed:

Jun 6, 2003

Appl. No.:

10/458777

Inventors:

Christopher Duffy - Olathe KS, US
D. Holbrook - Kansas City MO, US
Andrew Johnson - Overland Park KS, US
Gopichand Kalahasthy - Shawnee KS, US
John Stradinger - Shawnee KS, US
Robert Tietz - Lenexa KS, US
Steven Mitchell - Parkville MO, US
Steven Richardson - Kansas City MO, US
James Ramsey - Columbus OH, US

International Classification:

G06F017/60

US Classification:

705/026000

Abstract:

A system and method for specification and exchange management includes a specification application, an exchange application, a source application, and an optional enterprise application. The specification application enables a user to create, modify, and retire specifications for items having standard terminology in a standard format. The exchange application enables a user to perform a transaction for generating a request for quote/request for proposal to designated suppliers for an item, receiving supply proposals in response to the requests, and forming a contract to supply of the items. The source application exchanges content between the specification application and the exchange application. The enterprise application communicates with user applications for users of the system and transmits content to and from the user and the specification application and the exchange application.

US Patent:

20200347676, Nov 5, 2020

Filed:

May 2, 2019

Appl. No.:

16/401594

Inventors:

- Houston TX, US
William Christian Herben - Magnolia TX, US
Steven Samuel Mitchell - Scottsdale AZ, US
Russell Wayne Koenig - Conroe TX, US
Mark Joshua Miller - Valencia PA, US
Kevin James Rudy - Houston TX, US

International Classification:

E21B 4/02
E21B 28/00
E21B 17/10
E21B 21/10

Abstract:

A vibration assembly includes a valve above a rotor and stator. The rotor rotates within the stator as fluid flows therethrough. The valve includes a rotating valve segment, which rotates with the rotor, and a non-rotating valve segment each including at least one fluid passage. In an open position, the fluid passages of the valve segments are aligned and a fluid flows through the valve. In a restricted position, the fluid passages of the valve segments are partially or completely unaligned, thereby creating a pressure pulse that is transmitted through the drill string or coiled tubing above the valve. The valve may further include an inner sleeve and an outer sleeve surrounding the non-rotating valve segment. The inner and outer sleeves allow axial sliding but prevent rotation of the non-rotating valve segment. The assembly may further include a lower thrust bearing at a lower end of the rotor.

US Patent:

20190153797, May 23, 2019

Filed:

Nov 17, 2017

Appl. No.:

15/816281

Inventors:

- Conroe TX, US
Steven Samuel Mitchell - Scottsdale AZ, US
Russell Wayne Koenig - Conroe TX, US
William Christian Herben - Magnolia TX, US

Assignee:

Ashmin Holding LLC - Conroe TX

International Classification:

E21B 28/00
E21B 7/24
E21B 21/10

Abstract:

A downhole vibration assembly includes a valve positioned above a rotor that is disposed at least partially within a stator. The rotor is operatively suspended within an inner bore of a housing and configured to rotate within the stator as a fluid flows through the vibration assembly. The valve includes a rotating valve segment and a stationary valve segment each including at least one fluid passage. The rotating valve segment rotates with a rotation of the rotor. In an open position, the fluid passages of the valve segments are aligned and a fluid flows through the valve. In a restricted position, the fluid passages of the valve segments are partially or completely unaligned, thereby temporarily restricting the fluid flow through the valve to create a pressure pulse. The unobstructed pressure pulse is transmitted through the drill string or coiled tubing above the valve.